2021 Mercedes-Benz GLC 2.0 GLC220d AMG Line

Overview

• Make: Mercedes-Benz
• Model: GLC
• Trim: AMG Line
• Version: 2.0 AMG Line Auto 4WD Euro 6 5dr (191 bhp)
• Year: 2021
• Mileage: 49,877 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 191 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 184 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLC AMG Line has covered 49,877 miles. Its asking price of £27,999 is £4,354 above the AskCar estimate of £23,645. The AskCar estimate draws on 2,814 Mercedes-Benz GLC adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records today. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Stoner Motor Company in Gillingham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £4,354 (18%) over the AskCar estimate of £23,645.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 2,814 priced Mercedes-Benz GLC adverts across different ages and specifications, as of 8 November 2026.

A 2021 Mercedes-Benz GLC with the 2.0 diesel engine is typically advertised at £24,800: the median of the 126 for sale on AskCar, as of 8 November 2026.

Time on sale

AskCar first saw this 2021 Mercedes-Benz GLC advertised today. About half of 2021 Mercedes-Benz GLC cars are gone from sale within a month of being advertised: 120 of the 247 first advertised between 9 July 2026 and 5 October 2026.

Price history

AskCar first saw this advert on 8 November 2026 at £27,999. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 3 March 2027.

It has had 3 MOTs. The latest, on 13 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 45,560 miles, which matches the advertised 49,877 miles.

Advertised mileage is about 1,700 miles higher than the median mileage of a 2021 Mercedes-Benz GLC on AskCar.

Similar cars

14 other 2021 Mercedes-Benz GLC AMG Line 2.0 diesel automatic SUVs are for sale at UK dealers, from £18,490 to £27,495, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLC AMG Line, 2.0 diesel SUV, white. Mileage: 48,136 miles. Price: £23,750, £4,249 less than this car. Dealer: Cotswold Group Select in Tewkesbury. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-38eda01c507b
• 2021 Mercedes-Benz GLC AMG Line, 2.0 diesel SUV, black. Mileage: 44,556 miles. Price: £25,490, £2,509 less than this car. Dealer: HCL Prestige Car Supermarket in Ashford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-4fecf262819a
• 2021 Mercedes-Benz GLC AMG Line, 2.0 diesel SUV, silver. Mileage: 43,340 miles. Price: £23,104, £4,895 less than this car. Dealer: Lookers Mercedes-Benz of Canterbury in Canterbury. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-9cd3d68986a3